rankcorrelation.html

数据挖掘方面最新软件

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<A NAME="getDescription()"><!-- --></A><H3>
getDescription</H3>
<PRE>
public java.lang.String <B>getDescription</B>()</PRE>
<DL>
<DD><B>Description copied from class: <CODE><A HREF="../../../../com/rapidminer/operator/performance/PerformanceCriterion.html#getDescription()">PerformanceCriterion</A></CODE></B></DD>
<DD>Returns a description of the performance criterion. This description is
  used for GUI purposes and automatic parameter type creation for the
  <A HREF="../../../../com/rapidminer/operator/performance/PerformanceEvaluator.html" title="class in com.rapidminer.operator.performance"><CODE>PerformanceEvaluator</CODE></A> operator.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../com/rapidminer/operator/performance/PerformanceCriterion.html#getDescription()">getDescription</A></CODE> in class <CODE><A HREF="../../../../com/rapidminer/operator/performance/PerformanceCriterion.html" title="class in com.rapidminer.operator.performance">PerformanceCriterion</A></CODE></DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="getExampleCount()"><!-- --></A><H3>
getExampleCount</H3>
<PRE>
public double <B>getExampleCount</B>()</PRE>
<DL>
<DD><B>Description copied from class: <CODE><A HREF="../../../../com/rapidminer/operator/performance/PerformanceCriterion.html#getExampleCount()">PerformanceCriterion</A></CODE></B></DD>
<DD>Returns the number of data points which was used to determine the
 criterion value. If the criterion does not use example weights (or no
 weight was given) then the returned value will be an integer. Otherwise,
 the returned value is the sum of all example weights.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../com/rapidminer/operator/performance/PerformanceCriterion.html#getExampleCount()">getExampleCount</A></CODE> in class <CODE><A HREF="../../../../com/rapidminer/operator/performance/PerformanceCriterion.html" title="class in com.rapidminer.operator.performance">PerformanceCriterion</A></CODE></DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="getFitness()"><!-- --></A><H3>
getFitness</H3>
<PRE>
public double <B>getFitness</B>()</PRE>
<DL>
<DD><B>Description copied from class: <CODE><A HREF="../../../../com/rapidminer/operator/performance/PerformanceCriterion.html#getFitness()">PerformanceCriterion</A></CODE></B></DD>
<DD><p>Returns the fitness depending on the value. The fitness values will be
 used for all optimization purposes (feature space transformations, parameter
 optimizations...) and must always be maximized. Hence, if your criterion
 is better the smaller the value is you should return something like 
 (-1 * value) or (1 / value).</p>
 
 <p>Subclasses should use
 <A HREF="../../../../com/rapidminer/tools/math/Averagable.html#getAverage()"><CODE>Averagable.getAverage()</CODE></A> instead of <A HREF="../../../../com/rapidminer/tools/math/Averagable.html#getMikroAverage()"><CODE>Averagable.getMikroAverage()</CODE></A> in this method 
 since usually the makro average (if available) should be optmized instead 
 of the mikro average. The mikro average should only be used in the (rare) 
 cases where no makro average is available but this is automatically done
 returned by <A HREF="../../../../com/rapidminer/tools/math/Averagable.html#getAverage()"><CODE>Averagable.getAverage()</CODE></A> in these cases.</p>
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../com/rapidminer/operator/performance/PerformanceCriterion.html#getFitness()">getFitness</A></CODE> in class <CODE><A HREF="../../../../com/rapidminer/operator/performance/PerformanceCriterion.html" title="class in com.rapidminer.operator.performance">PerformanceCriterion</A></CODE></DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="buildSingleAverage(com.rapidminer.tools.math.Averagable)"><!-- --></A><H3>
buildSingleAverage</H3>
<PRE>
protected void <B>buildSingleAverage</B>(<A HREF="../../../../com/rapidminer/tools/math/Averagable.html" title="class in com.rapidminer.tools.math">Averagable</A>&nbsp;averagable)</PRE>
<DL>
<DD>Averaging across instances of RankCorrelation is unsupported (?)
  For now just build the usual average by summing up the values...
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../com/rapidminer/tools/math/Averagable.html#buildSingleAverage(com.rapidminer.tools.math.Averagable)">buildSingleAverage</A></CODE> in class <CODE><A HREF="../../../../com/rapidminer/tools/math/Averagable.html" title="class in com.rapidminer.tools.math">Averagable</A></CODE></DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="getMikroAverage()"><!-- --></A><H3>
getMikroAverage</H3>
<PRE>
public double <B>getMikroAverage</B>()</PRE>
<DL>
<DD><B>Description copied from class: <CODE><A HREF="../../../../com/rapidminer/tools/math/Averagable.html#getMikroAverage()">Averagable</A></CODE></B></DD>
<DD>Returns the (current) value of the averagable (the average itself). If the 
  method <A HREF="../../../../com/rapidminer/tools/math/Averagable.html#buildSingleAverage(com.rapidminer.tools.math.Averagable)"><CODE>Averagable.buildSingleAverage(Averagable)</CODE></A> was used, this method must return the 
  micro average from both (or more) criteria. This is usually achieved by
  correctly implementing <A HREF="../../../../com/rapidminer/tools/math/Averagable.html#buildSingleAverage(com.rapidminer.tools.math.Averagable)"><CODE>Averagable.buildSingleAverage(Averagable)</CODE></A>.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../com/rapidminer/tools/math/Averagable.html#getMikroAverage()">getMikroAverage</A></CODE> in class <CODE><A HREF="../../../../com/rapidminer/tools/math/Averagable.html" title="class in com.rapidminer.tools.math">Averagable</A></CODE></DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="getMikroVariance()"><!-- --></A><H3>
getMikroVariance</H3>
<PRE>
public double <B>getMikroVariance</B>()</PRE>
<DL>
<DD><B>Description copied from class: <CODE><A HREF="../../../../com/rapidminer/tools/math/Averagable.html#getMikroVariance()">Averagable</A></CODE></B></DD>
<DD>Returns the variance of the averagable. The returned value must not be
 negative. If the averagable does not define a variance this method should
 return Double.NaN.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../com/rapidminer/tools/math/Averagable.html#getMikroVariance()">getMikroVariance</A></CODE> in class <CODE><A HREF="../../../../com/rapidminer/tools/math/Averagable.html" title="class in com.rapidminer.tools.math">Averagable</A></CODE></DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="getName()"><!-- --></A><H3>
getName</H3>
<PRE>
public java.lang.String <B>getName</B>()</PRE>
<DL>
<DD><B>Description copied from class: <CODE><A HREF="../../../../com/rapidminer/tools/math/Averagable.html#getName()">Averagable</A></CODE></B></DD>
<DD>Returns the name of this averagable. The returned string should only contain
  lowercase letters and underscore (RapidMiner parameter format) since the names
  will be automatically used for GUI purposes.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../com/rapidminer/operator/ResultObject.html#getName()">getName</A></CODE> in interface <CODE><A HREF="../../../../com/rapidminer/operator/ResultObject.html" title="interface in com.rapidminer.operator">ResultObject</A></CODE><DT><B>Specified by:</B><DD><CODE><A HREF="../../../../com/rapidminer/tools/math/Averagable.html#getName()">getName</A></CODE> in class <CODE><A HREF="../../../../com/rapidminer/tools/math/Averagable.html" title="class in com.rapidminer.tools.math">Averagable</A></CODE></DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="startCounting(com.rapidminer.example.ExampleSet, boolean)"><!-- --></A><H3>
startCounting</H3>
<PRE>
public void <B>startCounting</B>(<A HREF="../../../../com/rapidminer/example/ExampleSet.html" title="interface in com.rapidminer.example">ExampleSet</A>&nbsp;eSet,
                          boolean&nbsp;useExampleWeights)
                   throws <A HREF="../../../../com/rapidminer/operator/OperatorException.html" title="class in com.rapidminer.operator">OperatorException</A></PRE>
<DL>
<DD>Computes whichever of rho and tau was requested.
<P>
<DD><DL>
<DT><B>Overrides:</B><DD><CODE><A HREF="../../../../com/rapidminer/operator/performance/MeasuredPerformance.html#startCounting(com.rapidminer.example.ExampleSet, boolean)">startCounting</A></CODE> in class <CODE><A HREF="../../../../com/rapidminer/operator/performance/MeasuredPerformance.html" title="class in com.rapidminer.operator.performance">MeasuredPerformance</A></CODE></DL>
</DD>
<DD><DL>

<DT><B>Throws:</B>
<DD><CODE><A HREF="../../../../com/rapidminer/operator/OperatorException.html" title="class in com.rapidminer.operator">OperatorException</A></CODE></DL>
</DD>
</DL>
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